Two of Warren Jeffsâ brothers are expected to be in a Salt Lake City courtroom Wednesday to determine if they have to provide information about the Fundamentalist Church of Jesus Christ of Latter-Day Saintsâ role in providing women and children to gather pecans. Lyle Jeffs, believed to be the FLDS bishop in Hildale, Utah, and Colorado City, Arizona, and Nephi Jeffs both have been served subpoenas in a U.S.